Home / 4,122.87-5,689.01-2,330.34

Finding the Fourth Proportional to 4,122.87, 5,689.01 and 2,330.34

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Solution

The fourth proportional to 4,122.87, 5,689.01 and 2,330.34 is: 3,215.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,122.87 : 5,689.01 = 2,330.34 : x
  2. Step 2: Convert to fraction form
    4,122.87/5,689.01 = 2,330.34/x
  3. Step 3: Cross multiply
    4,122.87x = 5,689.01 × 2,330.34
  4. Step 4: Simplify right side
    4,122.87x = 13,257,315.91
  5. Step 5: Solve for x
    x = 13,257,315.91/4,122.87
  6. Step 6: Final answer
    x = 3,215.56

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.